The use of 1-amino-2-phenyl-1-cyclohexanecarboxylic acids as chiral auxiliaries in asymmetric Diels-Alder reactions.

被引:6
|
作者
Avenoza, A
Cativiela, C
Paris, M
Peregrina, JM
机构
[1] UNIV ZARAGOZA, INST CIENCIA MAT ARAGON, DEPT ORGAN CHEM, CSIC, E-50009 ZARAGOZA, SPAIN
[2] UNIV LA RIOJA, SECC CIENCIAS, EDIFICIO CIENT TECN, DEPT CHEM ORGAN CHEM, E-26001 LOGRONO, SPAIN
关键词
D O I
10.1016/0040-4020(96)00155-X
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
This report describes the behavior of four 1-amino-2-phenyl-1-cyclohexanecarboxylic acids, obtained in enantiomerically pure form starting from asymmetric Diels-Alder reactions between 1,3-butadiene and chiral (E)-2-cyanocinnamates, as chiral auxiliaries in the asymmetric Diels-Alder reactions of cyclopentadiene with chiral methyl N-acryloyl-1-amino-2-phenyl-1-cyclohexanecarboxylates. A model based on the formation of an intramolecular hydrogen bond accounts for the stereochemical outcome in the catalyzed reactions.
引用
收藏
页码:4839 / 4848
页数:10
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